Route · SAN → AUS · 2020–2025 BTS data
San Diego to Austin
The SAN–AUS corridor (San Diego, CA → Austin, TX) runs behind the national average, served by 25 carriers across roughly 1,164 miles.
Data updated 2026-06-13
- 77.5%
- On-time
- -1.5 pts
- vs US avg
- 57 min
- Delay when late
- 10,346
- Flights
Cancelled
1.1%
Best Month
Sep 2025 87%
Worst Month
Dec 2024 64%
Distance
1,164 mi
Carriers
25
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 198 | 69 | 3 | 0 | WN,F9,OO |
| Nov 2025 | 199 | 58 | 2 | 0 | OO,F9,WN |
| Oct 2025 | 201 | 53 | 0 | 1 | OO,WN,F9 |
| Sep 2025 | 176 | 23 | 2 | 1 | WN,OO,F9 |
| Aug 2025 | 182 | 39 | 0 | 0 | OO,WN,F9 |
| Jul 2025 | 205 | 64 | 0 | 1 | OO,WN,F9 |
| Jun 2025 | 196 | 42 | 0 | 0 | OO,WN,F9 |
| May 2025 | 174 | 58 | 2 | 0 | OO,WN |
| Apr 2025 | 171 | 40 | 0 | 0 | OO,WN |
| Mar 2025 | 167 | 44 | 0 | 1 | OO,WN |
| Feb 2025 | 143 | 36 | 0 | 0 | OO,WN |
| Jan 2025 | 153 | 41 | 1 | 0 | AS,OO,WN |
| Dec 2024 | 181 | 65 | 8 | 0 | AS,OO,WN |
| Nov 2024 | 175 | 31 | 2 | 1 | WN,AS |
| Oct 2024 | 180 | 58 | 2 | 0 | AS,WN |
| Sep 2024 | 149 | 28 | 1 | 0 | WN,AS |
| Aug 2024 | 165 | 57 | 1 | 0 | AS,WN |
| Jul 2024 | 189 | 66 | 1 | 1 | AS,WN |
| Jun 2024 | 185 | 65 | 1 | 0 | AS,WN |
| May 2024 | 178 | 52 | 0 | 0 | AS,WN |
| Apr 2024 | 172 | 35 | 0 | 0 | AS,WN |
| Mar 2024 | 165 | 29 | 1 | 0 | AS,WN |
| Feb 2024 | 125 | 20 | 1 | 0 | AS,WN |
| Jan 2024 | 131 | 27 | 17 | 0 | AS,WN,OO |
Cancellation Rate
1.1%
45 of 4,160 flights
Diversion Rate
0.1%
6 of 4,160 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Origin airport →AUS - Austin
Full on-time, delay-cause, and seasonal performance for Austin, TX.
Destination airport →Compare the two airports
See SAN and AUS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–AUS.
Routes with a similar on-time rate
What the Data Says About SAN to AUS
The San Diego to Austin corridor (SAN to AUS) posts a 77.5% on-time rate on the lower edge of the average band, based on 10,346 tracked flights. Late flights run 56.7 minutes behind on average. 25 carriers cover the 1,164-mile route; over the last 24 months, 45 of 4,160 flights were cancelled (1.1%) and 0.1% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 87% on-time, while Dec 2024 came in at just 64% - a 23-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.